| 单词 | alkali |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔Gilsonite〕A trademark used for a natural black bitumen employed in the manufacture of acid, alkali, and waterproof coatings.硬沥青：适用于制造酸、碱和防水服的一种天然黑沥青的商标美国传统〔alkaline〕Of, relating to, or containing an alkali.碱的：与碱有关的或含碱的美国传统〔alkalinity〕The alkali concentration or alkaline quality of an alkali-containing substance.碱度，碱性：含碱物质中碱的浓度或碱的特性美国传统〔alkalize〕To become an alkali.成为碱美国传统〔alkali〕Alkali metal.碱金属美国传统〔alkali〕A carbonate or hydroxide of an alkali metal, the aqueous solution of which is bitter, slippery, caustic, and characteristically basic in reactions.碱：碱金属的碳酸盐或氢氧化物，其水解溶液味苦、滑腻、有腐蚀性且在反应中呈碱性美国传统〔neutralize〕Alkalis neutralize acids.硷使酸中和。牛津同义词〔neutralize〕Discarded acid should be neutralized with alkali before disposal.废酸在丢弃前应该用碱来中和。牛津搭配〔saline〕A salt of magnesium or of the alkalis, used in medicine as a cathartic.咸盐或镁盐，用在药物中作泻药美国传统〔syenite〕An igneous rock composed primarily of alkali feldspar together with other minerals, such as hornblende.正长岩：一种火成岩，主要由碱长石与其它矿物，如角闪石组成美国传统〔trachyte〕A light-colored igneous rock consisting essentially of alkali feldspar.粗面岩：一种浅色火成岩，主要由碱长石构成美国传统〔turmeric paper〕Paper saturated with turmeric and used to detect the presence of alkalis, which turn the paper brown, or boric acid, which turns it red-brown.姜黄试纸：一种用姜黄抽出液浸渍过的纸，用以测试碱性物质时试纸变成棕褐色，用来测试硼酸时，试纸变成红褐色美国传统〔uintaite〕A natural black bitumen used in the manufacture of acid, alkali, and waterproof coatings.硬沥青：用来制造酸、碱和防水涂层的天然的黑色沥青美国传统Alkalis counteract acids. 碱中和酸。译典通The litmus paper will turn red in an acid and blue in an alkali.石蕊试纸遇酸变红，遇碱变蓝。剑桥国际 |
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